[RFC 0/3] powerpc: memory copy routines tweaked for Cell

Olof Johansson olof at lixom.net
Fri Jun 20 00:53:49 EST 2008


On Jun 19, 2008, at 8:59 AM, Arnd Bergmann wrote:

> I assume it has suffered from bitrot and nobody tried to do better
> since the Power3 days. AFAICT, it hasn't seen any update since your
> original Power4 version from 2002.

I've got an out-of-tree optimized version for pa6t as well that I  
haven't bothered posting yet.

The real pain with the usercopy code is all the exception cases. If  
anyone has made a test harness to make sure they're all right, please  
do post it for others to use as well...


-Olof



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